Question: When did the Everglades National Park claim that there is a List of World Heritage in danger?
Paraphrase: what date did the Everglades National Park claim World Heritage's list was in danger?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q274131 p:P793 ?s . ?s ps:P793 wd:Q222384 . ?s pq:P580 ?value}